Data assimilation is the combination of the latest observations with a short-range forecast to obtain the best possible estimate of the current state of the Earth system. Machine learning can contribute to it by optimizing ...
Earth Sciences
Nov 7, 2023
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1
The Arctic Ocean's ice cap will disappear in summer as soon as the 2030s and a decade earlier than thought, no matter how aggressively humanity draws down the carbon pollution that drives global warming, scientists said Tuesday.
Earth Sciences
Jun 6, 2023
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Snowfall accumulates to form snow cover, which can then influence other components of the earth system at various scales, such as atmospheric circulation, climatic anomalies, the hydrological cycle, and ecosystems.
Earth Sciences
Apr 19, 2023
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Sea ice in Antarctica shrank to the smallest area on record in February for the second year in a row, continuing a decade-long decline, the European Union's climate monitoring service said Tuesday.
Environment
Mar 8, 2023
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Every year, the cross-shelf transport of carbon-rich particles from the Barents and Kara Seas could bind up to 3.6 million metric tons of CO2 in the Arctic deep sea for millennia. In this region alone, a previously unknown ...
Earth Sciences
Nov 21, 2022
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79
A chemical analysis of sediment cores from the North Pacific Ocean show a consistent pairing of volcanic ash and hypoxia, a low ocean oxygen condition spanning thousands of years, during times of rapid climate warming at ...
Earth Sciences
Nov 2, 2022
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141
A proposal to cover Arctic sea ice with layers of tiny hollow glass spheres about the thickness of one human hair would actually accelerate sea-ice loss and warm the climate rather than creating thick ice and lowering the ...
Earth Sciences
Oct 5, 2022
2
67
According to satellite observations, Arctic sea ice reached its annual minimum extent on Sept. 18, 2022. The ice cover shrank to an area of 4.67 million square kilometers (1.80 million square miles) this year, roughly 1.55 ...
Planetary Sciences
Sep 22, 2022
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6
While climate change is taking effect everywhere on Earth, the Arctic Circle is feeling those effects most of all, in the form of glacial melt, permafrost thaw and sea ice decline.
Environment
Jul 14, 2022
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59
In the Southern Hemisphere, the ice cover around Antarctica gradually expands from March to October each year. During this time the total ice area increases by 6 times to become larger than Russia. The sea ice then retreats ...
Earth Sciences
Mar 28, 2022
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